20605060 has 24 divisors (see below), whose sum is σ = 49452480. Its totient is φ = 7064544.

The previous prime is 20605043. The next prime is 20605069. The reversal of 20605060 is 6050602.

It is not an unprimeable number, because it can be changed into a prime (20605069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73450 + ... + 73729.

It is an arithmetic number, because the mean of its divisors is an integer number (2060520).

Almost surely, 2^20605060 is an apocalyptic number.

20605060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20605060 is an abundant number, since it is smaller than the sum of its proper divisors (28847420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20605060 is a wasteful number, since it uses less digits than its factorization.

20605060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147195 (or 147193 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20605060 is about 4539.2796785393. The cubic root of 20605060 is about 274.1519217174.

Adding to 20605060 its reverse (6050602), we get a palindrome (26655662).

The spelling of 20605060 in words is "twenty million, six hundred five thousand, sixty".